Science Topics term usage 2013-03-01

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

(Table shows only the 40 most frequently chosen terms.)

351	earthquakes
106	earthquake occurrences
90	volcanoes
44	real-time monitoring and reporting
37	climate change
33	maps and atlases
32	mineral resources
20	groundwater
19	geospatial analysis
16	remote sensing
16	surface water (non-marine)
16	contamination and pollution
14	invasive species
13	erosion
13	microbiology
12	floods
12	energy resources
11	aerial photography
11	health and disease
11	earth sciences
11	natural resources
11	tectonic processes
10	acid deposition
10	sinkhole formation
10	droughts
10	environmental health (human)
10	water quality
9	geographic information systems (GIS)
9	topographic maps
8	human impacts
8	map interfaces
8	geologic maps
8	earthquake probabilities
8	avian influenza
8	life sciences
8	geochemistry
7	hydrogeology
7	mantle (earth)
7	image collections
7	animals

Science Topics term usage Friday, 2013-03-01